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Finding the Fourth Proportional to 1,848.96, 2,773.68 and 550.32

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Solution

The fourth proportional to 1,848.96, 2,773.68 and 550.32 is: 825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.96 : 2,773.68 = 550.32 : x
  2. Step 2: Convert to fraction form
    1,848.96/2,773.68 = 550.32/x
  3. Step 3: Cross multiply
    1,848.96x = 2,773.68 × 550.32
  4. Step 4: Simplify right side
    1,848.96x = 1,526,411.58
  5. Step 5: Solve for x
    x = 1,526,411.58/1,848.96
  6. Step 6: Final answer
    x = 825.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.